The Sketch Map Tool (SMT) is entering its next project phase thanks to support from the German Red Cross (GRC) and the German Federal Foreign Office. In this phase, our main goals are enhancing the tool’s stability and marking detection, … Read More
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Expanding Disaster Management Capabilities with openrouteservice
In the context of disaster management, time is of the essence. Quick and accurate response can make all the difference in saving lives and mitigating damage. That’s why the openrouteservice (ORS) for Disaster Management is taking a step forward by … Read More
A Radio Report on HeiGITs Disaster Portal
Campus reporter Nils Birschmann spoke with Prof. Alexander Zipf about our Disaster Portal. The interview was broadcast on Radio Regenbogen. You can listen to the full length of the article here (please note: the interview is only available in … Read More
Bachelor’s thesis: Using OSM for location analyses of residential real estate projects – an extrinsic analysis of data quality
In his bachelor’s thesis, supervised by HeiGIT’s apl. Prof. Dr. Sven Lautenbach, Lars Reckhaus examined the suitability of OpenStreetMap (OSM) for location analyses in the context of residential real estate projects. Typically, such analyses require the use of a variety … Read More
Introducing ohsomeNow stats: Real-Time Monitoring for OpenStreetMap Contributions
You can now monitor contributions to OpenStreetMap (OSM) in real time with ohsomeNow stats! We developed this new dashboard as part of our long-term cooperation with the Humanitarian OpenStreetMap Team (HOT), an international organization dedicated to humanitarian action and community … Read More
Exploring OSM editor statistics by combining data from OSHDB and changeset DB
Exploring OSM editor statistics by combining data from OSHDB and changeset DB OpenStreetMap (OSM) marks one of the most successful and powerful open source, crowdsourced geomaps, with over 10 million registered users by 2023. Since 2008 this number has increased … Read More
HeiGIT at Summer School Disaster Risk Reduction 2023
Today we’d like to tell you about the Summer School Disaster Risk Reduction 2023 event hosted by the Environmental Campus of UAS Trier in Germany and organized by the German Committee for Disaster Reduction (DKKV). During this one-week course that … Read More
New Publication in “Nature Communications” on the Unequal Distribution of Building Data in OSM
Benjamin Herfort and his colleagues Sven Lautenbach, João Porto de Albuquerque, Jennings Anderson and Alexander Zipf published an article in the renowned journal Nature Communications (Impact Factor 2023: 17.7). In their article, they address the uneven distribution of OpenStreetMap data … Read More
OEV: Indicator Correlations (4/4)
After introducing the OSM Element Vectorisation Tool last week, we now want to show possible use cases and specific examples of what the tool can do. This third and last example will look at the correlations between indicators. The goal … Read More
OEV: Quantifying differences between imports (3/4)
After introducing the OSM Element Vectorisation Tool last week, we now want to show possible use cases and specific examples of what the tool can do. This second of three use cases (see use case 1) compares the data in … Read More
2022 #30DayMapChallenge Round-Up Part 4: The Whole Wide World
Featured Map: Isochrones (areas reachable within 2 hours from larger Japanese cities) by HeiGIT’s openrouteservice for bigger cities on the main islands of Japan, Marcel Reinmuth’s submission for Day 3 (“Polygons”) of Topi Tjukanov’s Twitter event #30DayMapChallenge. Map derived from OpenStreetMap … Read More
2022 #30DayMapChallenge Round-Up Part 3: Home Sweet Heidelberg
Featured photo: A listing of last year’s prompts from Topi Tjukanov’s Twitter event #30DayMapChallenge. This past November, our teams at HeiGIT and GIScience participated in Topi Tjukanov’s Twitter event #30DayMapChallenge, where mappers display their creativity and ingenuity with a set … Read More
OEV: Analysing attributes of remarkable elements (2/4)
After introducing the OSM Element Vectorisation Tool earlier this week, we now want to show possible use cases and specific examples of what the tool can do. This first of three use cases takes a closer look at the data … Read More
OSM Element Vectorisation Tool Version 1
The IDEAL-VGI research project is nearing its end. And while that won’t be the end of our research into social data sources, data quality analyses and land-use information, we are happy to announce a major outcome: the version 1 release … Read More
Participatory Mapping taken one step further – The new version of the Sketch Map Tool
Sketch Map Tool (SMT) – An easy-to-use way to create and digitalize paper maps for offline data collection in the field The HeiGIT (Heidelberg Institute for Geoinformation Technology) team recently launched a new version of the Sketch Map Tool – … Read More
2022 #30DayMapChallenge Round-Up Part 2: Deleted Maps
Featured photo: The deleted map displays all deleted elements within the analyzed areas (red). Gray rectangles represent deleted buildings. This past November, our teams at HeiGIT and GIScience participated in Topi Tjukanov’s Twitter event #30DayMapChallenge, where mappers display their creativity … Read More
How to become ohsome part 15- Analysing Changes in OSM after the Earthquake in Syria and Türkiye in February 2023
Featured Map: Percent change in each province of Türkiye and Syria of buildings in OSM. Data from OpenStreetMap, visualized using QGIS and the ohsome API plugin. Welcome back to the how to become ohsome series! If you’re new to the series, … Read More
![Figure 1. Total carbon fluxes related to LULCC in Baden-Württemberg between March 2018 and October 2019 (LaVerDi, OSMlanduse+), and March 2018 and March 2020 (OSMlanduse, OSMlanduse cleaned). The upper plot shows the relative difference of carbon fluxes [%] with respect to LULC transition and carbon flux attribution method. The carbon fluxes of method 1 are set to 0. The lower plot shows the total absolute carbon fluxes [Mg C] calculated with carbon flux attribution method 1 with respect to LULC transition and LULCC method.](https://heigit.org/wp-content/uploads/2023/05/ed501d68-7952-4263-a23e-a5f8a81fa7a4.png)
New Paper: Carbon Fluxes Related to Land Use and Land Cover Change in Baden-Württemberg
Featured Image: Figure 1. Total carbon fluxes related to LULCC in Baden-Württemberg between March 2018 and October 2019 (LaVerDi, OSMlanduse+), and March 2018 and March 2020 (OSMlanduse, OSMlanduse cleaned). The upper plot shows the relative difference of carbon fluxes [%] … Read More
Private Vehicles Greenhouse Gas Emission Estimation at Street Level for Berlin Based on Open Data
Since the transportation sector is one of the major greenhouse gas (GHG) emitters that has not seen significant emission reductions in the last decades, it requires special attention from policymakers. However, estimations of traffic emissions often rely on huge amounts … Read More
Functionality Update for OSM Landuse Landcover
We are pleased to announce that https://osmlanduse.org has received a functionality update. Thanks to the cooperation of GIScience and HeiGIT under the IDEAL-VGI project, our researchers were able to add a number of new features to the interactive map. The … Read More